import { Buffer } from 'node:buffer';
import { Readable } from 'node:stream';
import type { WAMediaUpload } from '../Types/index.js';
import type { ILogger } from './logger.js';
export declare const extractImageThumb: (bufferOrFilePath: Readable | Buffer | string, width?: number) => Promise<{
    buffer: any;
    original: {
        width: any;
        height: any;
    };
}>;
/** Returns audio duration in seconds, parsed via `music-metadata`. */
export declare function getAudioDuration(buffer: Buffer | string | Readable): Promise<number | undefined>;
/**
  referenced from and modifying https://github.com/wppconnect-team/wa-js/blob/main/src/chat/functions/prepareAudioWaveform.ts
 */
export declare function getAudioWaveform(buffer: Buffer | string | Readable, logger?: ILogger): Promise<Uint8Array<ArrayBuffer> | undefined>;
export declare const toReadable: (buffer: Buffer) => Readable;
export declare const toBuffer: (stream: Readable) => Promise<Buffer<ArrayBuffer>>;
export declare const getStream: (item: WAMediaUpload, opts?: RequestInit & {
    maxContentLength?: number;
}) => Promise<{
    readonly stream: Readable;
    readonly type: "buffer";
} | {
    readonly stream: Readable;
    readonly type: "readable";
} | {
    readonly stream: Readable;
    readonly type: "remote";
} | {
    readonly stream: import("fs").ReadStream;
    readonly type: "file";
}>;
/** generates a thumbnail for a given media, if required */
export declare function generateThumbnail(bufferOrPath: Buffer | string, mediaType: 'video' | 'image', options: {
    logger?: ILogger;
}): Promise<{
    thumbnail: string | undefined;
    originalImageDimensions: {
        width: number;
        height: number;
    } | undefined;
}>;
export declare const getHttpStream: (url: string | URL, options?: RequestInit & {
    isStream?: true;
}) => Promise<Readable>;
export type MediaDownloadOptions = {
    options?: RequestInit;
};
//# sourceMappingURL=messages-media.d.ts.map